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Specifications subject to change without notice. | USA 160811 | Page 9 of 34
MGC2 – UserManual
PolyGard
®
is a registered trademark of MSR-Electronic GmbH
4.1.3 System Errors
The following system error messages are recorded:
SPXX > 22 mA
SPXX < 3 mA
Sensor signal at transmitter out of the measuring range.
Cause:
Transmitter not calibrated, defective.
Solution:
Calibrate transmitter, replace transmitter.
SPXX > 22 mA
Current signal at analog input SPXX > 22 mA.
Cause:
Short-circuit at analog input, analog transmitter not calibrated, or defective.
Solution:
Check cable to analog transmitter, make calibration, replace the analog transmitter.
SPXX < 3 mA
Current signal to analog input SPXX < 3 mA.
Cause:
Wire broken at analog input, analog transmitter not calibrated, or defective.
Solution:
Check cable to analog transmitter, make calibration, replace the analog transmitter.
GC Error:
EP00 Error:
Internal communication error I/O Board to LCD Board.
Cause:
Internal error. RS-485 field bus at X10 pin 11 and 12 not correct
Solution:
Check RS-485 field bus at X10 pin 11 and 12.
Disconnect RS-485 bus at X10 pin 11 and 12, check function again.
Replace the Gas Controller.
EP 0X Error:
Communication error to expansion module EP 0X.
(Only active, if EP 0X is registered).
Cause:
EP module address not correct. (See Commissioning.)
Bus line to EP 0X module interrupted.
No power supply at the EP 0X module.
EP module defective.
Solution:
Check and correct the EP module address.
Check the bus cable and the power supply.
Replace the EP 0X module.
Maintenance:
System maintenance is necessary.
Cause:
Maintenance date exceeded.
Solution:
Perform the maintenance.
SPXX Locked:
This SP input is locked (SP is physically present, but cancelled by the operator)
Cause:
Operator intervention.
Solution:
Eliminate the cause of a possible fault and then unlock the SP.
